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数学 高校生

どうして、aはデロではないと分かるのでしょうか!?

Cha 小最ゲー マドリード ガル =ar+ bx+cが(0, 0)を通るから アルジェ c=0 Q チュニリア 軸方向に -8だけ平行移動すると ……の 0 y=ar°+bx-8 点(4, -8) を通るから さも -8=16a+46-8 O10 () T . b=-4a Oーar+ br+cのグラフがェ軸 のがェ軸に接するから D=8-4a×(-8)=0 +32a=0 ③ ふケ に接する条件は二 D=がー4ac=0 小量 16 D<O D=0 のを3に代入して (-4a)+32a=0より16a(a+2)=0 Saキ0だから a=ー2, のに代入して、b=8 よって、a=ー2, 6=8, c=0 ID>0 01 <大工値 エ と 9 16 (1) f(x)=-8.2+9 解 =(z-4)-7 (0ハェA7) としてグラフをかく 右のグラフより =0 のとき 最大値9 エ=4 のとき最小値 -7 2 10 4 17 エ 0 O1+0- 二 O1+p0-'o小 ケ 三7 「小類 ケ 8ェ き (2) y=ーz'+2.c+a アC論大量 5 へ>>0 (i) 定義域が -13ェm2 で軸がr=1 だから 右のグラフより エ=1 で最大値をとる . エ=1 のとき y=-1+2+a=5 よって, a=4 このとき,最小値はz=-1のときで アドバ 01 2 I リ=-1-2+4=1 Challenge リ=ar°+2az+6 =a(z°+2.z)+b 0 2次 01入ケ0- 01最大 =a(z+1)°-a+b リ= 定義域が -2Szい3で, 軸はz=1, かつ下に凸だから 右のグラフより 2=3 で最大値6をとるから の軸 -2-1 3エ -2 9a+6a+b=6 一練習 2次関数 y=az++60+c のグラフは原点を通る。このグラフをy軸方向に一0 だけ平行移動すると, 点(4, -8) を通り,エ軸と接する。このとき, a, よ。 (日本工大)

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英語 高校生

急ぎです🙏🏻🙏🏻高2の英語の問題です。1枚目を参考に2枚目の質問に答える問題なのですが、書き方や文法があっているか教えて頂きたいです。

Strongest! | Lesson 1 Part 1 challenge [elinds] の “I know a successful player, 1) who's been trying to achieve. a Roger Federer [rá()dgar fedarar] wheelchair [hwi:ltfear] rank [repk] greater challenge than mine.” Roger Federer, one of the world's 5 best tennis players, showed great major (形) [mérd3ar] 第 official [afjal] ア respect to a Japanese tennis player. His name is Shingo Kunieda. He Paralympics [paèralimpiks] Roger Federer is one of the top wheelchair tennis players, and has tournament [ttarnamant, t3:r-] except [ksépt] bounce [báuns] G-1) been ranked first in the world for many years. 2) Wheelchair tennis is one of the major wheelchair 10 sports in the world. It has the status of an official accurately [ékjaratli] の technique [tekni:k]の sport in the Paralympics, and has as many tournament G-1 games as regular tennis does. Its rules are almost pay [pé] the same as those of regular tennis, except for one 15 thing. The players can let the ball bounce up to two !)TRIVIA times before returning it. Wheelchair tennis requires technique「技術」 専門技術·技法,および スポーツ·芸術などの技術· テクニックを表す。 一方、 skill は熟練した技術·能 カ·手腕などを表す。 players to have the skills to control the wheelchair quickly and accurately, as well as the techniques of tennis. Players also need to pay careful attention 20 to their body condition while they are playing. *. uie sanme as A His cellphone is the same as mine. 14. except for A Except for one mistake, you report is excellent. 15. up to A You can borrow up to three books in this library. 19. pay attention

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TOEIC・英語 大学生・専門学校生・社会人

解答をお願いします。

rom the information we obtained, we believe First Bank and Union Bank will (D) Judgment most Iikely merge to form the biggest bank in the country. (B) Judge (A) Judging (C) Judged Tou should bring your own laptop computer, since all the computers in the office out of order. (D) being (A) is (B) are (C) been to Rome to start her own business. (D) movement 13. Janet spent 10 years in Paris before (A) move (B) moves (C) moving the spreadsheet software. (C) are updated 14.I received an e-mail from SmartSoft and (A) updating (B) update (D) updated tA 15. Mr. Carlton is seeking a position as a bond analyst on Wall Street. (C) challenged (A) challenge (B) challenging (D) to challenge 16. in 1909, the Nara Hotel has been popular with celebrities from around the world (A) Establishes (B) Establishing (C) Established (D) Having establishe 17. Before you apply for the position, you need to have the application form supervisor. (A) signed .by your (B) sign (C) been signed (D) are signing A 18. Please to the attached file when you prepare the documents for the presentation. (A) refers (B) refer (C) referred (D) referringnie 19. her extensive knowledge of computer programming, Ms. Harris is the top candidate for the position. (A) Give (B) Giving (C) Having given 20. Mr. Peterson, the department manager, insisted that all employees (D) Given time. their work on (A) finish (B) has finished (C) finishingbnoo (D) finished

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